Short prologue OVA, bundled with manga volume vol.10. Elsie receives from Dokurou Skull, hell's branch chief of "counter measures", the task...

In the year 2124, Christopher is on a research expedition to Mars where he discovers a missing commercial vessel...

Kohachi Inugami, a detective who specializes in the occult, arrives at a remote village in the Japanese countryside, tasked by a hostess at ...

Sendo Kazuki, failed the entrance exam for the art college he was applying to, His childhood friend, Kuhonbutsu Taishi forced Kazuki to ente...